---------------------------------------------------------- RotaxEngines-List Digest Archive --- Total Messages Posted Thu 10/25/18: 3 ---------------------------------------------------------- Today's Message Index: ---------------------- 1. 08:40 AM - Re: Rectifier/Regulator Charging Current (Amps) Measurement (Hugh McKay) 2. 02:53 PM - Re: Rectifier/Regulator Charging Current (Amps) Measurement (Clive Richards) 3. 11:36 PM - Re: Rectifier/Regulator Charging Current (Amps) Measurement (Clive Richards) ________________________________ Message 1 _____________________________________ Time: 08:40:13 AM PST US From: Hugh McKay Subject: RE: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Measurement Clive, Thanks for your reply and advice. Attached is a photograph of the manual an d measuring device I have. It is an Extech single phase/three phase 1000 am p true RMS Power Clamp on Model 380976 digital meter. The manual is not ver y clear on the range of measurement for DC Amps. Attached also are two scan ned sections in the manual concerning measuring Amps. One is for =9CA C Current measurement=9D, and the other is for =9CAC and DC mic ro Amp measurement=9D. I notice that there is no direct reference to =9CDC Amp measurement=9D, only micro Amp measurement. Can I sim ply use the =9CAC Current Measurement=9D clamp on procedure ove r one wire to measure DC current in that wire? I am a novice concerning ele ctricity, so I need to know if I can use this device to measure the amp out put of the +B wire coming out of the Rotax rectifier/voltage regulator to d etermine if I have adequate charging current for the battery? Hugh G. McKay III Senior Consultant Worldwide Engineering Inc. 4090 North NC Hwy. 16 Denver, NC 28037 Ph. 704-661-8271 Fax 704-483-5466 Email hgmckay@bellsouth.net http://www.geo.com (click on Power Division) Sent from Mail for Windows 10 From: Clive Richards Sent: Wednesday, October 24, 2018 2:18 PM Subject: Re: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Measurement Hi hugh as a ammeter has to be connected in series with the output of the r egulator I think the output is probably 30 amp which will be greater than t he digital meter usually 10 amp. You can get a cheap analog DC 30 amp ammeter with a seperate shunt from eba y and connect that. Alternatively you can get a relatively cheap DC 30-0-30 amp clipon ammeter again from ebay and clip over regulator output cable or battery cable will no be very accurate but probably ok for your needs Clive Get Outlook for Android From: owner-rotaxengines-list-server@matronics.com on behalf of Hugh McKay Sent: Wednesday, October 24, 2018 4:24:20 PM Subject: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Mea surement =C2- How can I measure the amount of battery charging current being put out by t he Rotax Rectifier/Regulator using a digital multimeter? =C2- Hugh G. McKay III, P.E. Fellow. L.M. ASCE Senior Consultant Worldwide Engineering Inc. 4090 North NC Hwy. 16 Denver, NC 28037 =C2- Ph. 704-661-8271 Fax 704-483-5466 Email hgmckay@bellsouth.net http://www.geo.com (click on Power Division) Sent from Mail for Windows 10 =C2- ________________________________ Message 2 _____________________________________ Time: 02:53:45 PM PST US From: Clive Richards Subject: Re: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Measurement The clamp part of the meter only measures AC current you can measure dc mil liamps using the test leads If you know a car repairer they may have a clip on dc ammeter but you will have to read it in position . I expect digital d c clamp meters similar to yours are available but will be expensive. Get Outlook for Android ________________________________ From: owner-rotaxengines-list-server@matronics.com on behalf of Hugh McKay Sent: Thursday, October 25, 2018 4:39:35 PM Subject: RE: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Measurement Clive, Thanks for your reply and advice. Attached is a photograph of the manual an d measuring device I have. It is an Extech single phase/three phase 1000 am p true RMS Power Clamp on Model 380976 digital meter. The manual is not ver y clear on the range of measurement for DC Amps. Attached also are two scan ned sections in the manual concerning measuring Amps. One is for =93AC Curr ent measurement=94, and the other is for =93AC and DC micro Amp measurement =94. I notice that there is no direct reference to =93DC Amp measurement=94 , only micro Amp measurement. Can I simply use the =93AC Current Measuremen t=94 clamp on procedure over one wire to measure DC current in that wire? I am a novice concerning electricity, so I need to know if I can use this de vice to measure the amp output of the +B wire coming out of the Rotax recti fier/voltage regulator to determine if I have adequate charging current for the battery? [cid:image003.jpg@01D46C57.6682CDF0] Hugh G. McKay III Senior Consultant Worldwide Engineering Inc. 4090 North NC Hwy. 16 Denver, NC 28037 Ph. 704-661-8271 Fax 704-483-5466 Email hgmckay@bellsouth.net http://www.geo.com (click on Power Division) Sent from Mail for Window s 10 From: Clive Richards Sent: Wednesday, October 24, 2018 2:18 PM Subject: Re: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Measurement Hi hugh as a ammeter has to be connected in series with the output of the r egulator I think the output is probably 30 amp which will be greater than t he digital meter usually 10 amp. You can get a cheap analog DC 30 amp ammeter with a seperate shunt from eba y and connect that. Alternatively you can get a relatively cheap DC 30-0-30 amp clipon ammeter again from ebay and clip over regulator output cable or battery cable will no be very accurate but probably ok for your needs Clive Get Outlook for Android From: owner-rotaxengines-list-server@matronics.com on behalf of Hugh McKay Sent: Wednesday, October 24, 2018 4:24:20 PM Subject: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Mea surement How can I measure the amount of battery charging current being put out by t he Rotax Rectifier/Regulator using a digital multimeter? Hugh G. McKay III, P.E. Fellow. L.M. ASCE Senior Consultant Worldwide Engineering Inc. 4090 North NC Hwy. 16 Denver, NC 28037 Ph. 704-661-8271 Fax 704-483-5466 Email hgmckay@bellsouth.net http://www.geo.com (click on Power Division) Sent from Mail for Window s 10 ________________________________ Message 3 _____________________________________ Time: 11:36:04 PM PST US From: Clive Richards Subject: Re: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Measurement Hi hugh I have just checked meter speck to check I was correct but I see th ey do AC/DC model clamp meters these days . The cheapest option is buy a ammeter with seperate shunt connect shunt in s eries with alternator regulator output and connect shunt to meter where you can read it. (About $ 20) you will need to connect correct polarity on a a nalog meter or it will try to read backwards Clive Get Outlook for Android ________________________________ From: owner-rotaxengines-list-server@matronics.com on behalf of Hugh McKay Sent: Thursday, October 25, 2018 4:39:35 PM Subject: RE: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Measurement Clive, Thanks for your reply and advice. Attached is a photograph of the manual an d measuring device I have. It is an Extech single phase/three phase 1000 am p true RMS Power Clamp on Model 380976 digital meter. The manual is not ver y clear on the range of measurement for DC Amps. Attached also are two scan ned sections in the manual concerning measuring Amps. One is for =93AC Curr ent measurement=94, and the other is for =93AC and DC micro Amp measurement =94. I notice that there is no direct reference to =93DC Amp measurement=94 , only micro Amp measurement. Can I simply use the =93AC Current Measuremen t=94 clamp on procedure over one wire to measure DC current in that wire? I am a novice concerning electricity, so I need to know if I can use this de vice to measure the amp output of the +B wire coming out of the Rotax recti fier/voltage regulator to determine if I have adequate charging current for the battery? [cid:image003.jpg@01D46C57.6682CDF0] Hugh G. McKay III Senior Consultant Worldwide Engineering Inc. 4090 North NC Hwy. 16 Denver, NC 28037 Ph. 704-661-8271 Fax 704-483-5466 Email hgmckay@bellsouth.net http://www.geo.com (click on Power Division) Sent from Mail for Window s 10 From: Clive Richards Sent: Wednesday, October 24, 2018 2:18 PM Subject: Re: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Measurement Hi hugh as a ammeter has to be connected in series with the output of the r egulator I think the output is probably 30 amp which will be greater than t he digital meter usually 10 amp. You can get a cheap analog DC 30 amp ammeter with a seperate shunt from eba y and connect that. Alternatively you can get a relatively cheap DC 30-0-30 amp clipon ammeter again from ebay and clip over regulator output cable or battery cable will no be very accurate but probably ok for your needs Clive Get Outlook for Android From: owner-rotaxengines-list-server@matronics.com on behalf of Hugh McKay Sent: Wednesday, October 24, 2018 4:24:20 PM Subject: RotaxEngines-List: Rectifier/Regulator Charging Current (Amps) Mea surement How can I measure the amount of battery charging current being put out by t he Rotax Rectifier/Regulator using a digital multimeter? Hugh G. McKay III, P.E. Fellow. L.M. ASCE Senior Consultant Worldwide Engineering Inc. 4090 North NC Hwy. 16 Denver, NC 28037 Ph. 704-661-8271 Fax 704-483-5466 Email hgmckay@bellsouth.net http://www.geo.com (click on Power Division) Sent from Mail for Window s 10 ------------------------------------------------------------------------------------- Other Matronics Email List Services ------------------------------------------------------------------------------------- Post A New Message rotaxengines-list@matronics.com UN/SUBSCRIBE http://www.matronics.com/subscription List FAQ http://www.matronics.com/FAQ/RotaxEngines-List.htm Web Forum Interface To Lists http://forums.matronics.com Matronics List Wiki http://wiki.matronics.com Full Archive Search Engine http://www.matronics.com/search 7-Day List Browse http://www.matronics.com/browse/rotaxengines-list Browse Digests http://www.matronics.com/digest/rotaxengines-list Browse Other Lists http://www.matronics.com/browse Live Online Chat! http://www.matronics.com/chat Archive Downloading http://www.matronics.com/archives Photo Share http://www.matronics.com/photoshare Other Email Lists http://www.matronics.com/emaillists Contributions http://www.matronics.com/contribution ------------------------------------------------------------------------------------- These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.